The Tales of Terre series does not have a new book coming out soon. The latest book, The Twilight Box (Book 2), was published in January 2007.
The first book in the Tales of Terre series, The Separated, was published in May 2006.
The Tales of Terre series primarily falls into the Heroic Fantasy / Sword & Sorcery genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.